How many questions should we answer in a test where there are 45 questions and a marking scheme of +4 & -1 to get a good score.? [above 100]

What is the missing step in this proof? scroll down to see the entire proof.u

Tortoise shells and snail shells are similar in function: they protect the organism from predators. based on a comparison of the organisms in the images, what can you conclude? 1. tortoises and snails have homologous organs, and they’re evolutionarily related. 2. tortoises and snails have homologous organs, and they belong to same species. 3. tortoises and snails have analogous organs, and they belong to the same species. 4. tortoises and snails have analogous organs, and they don’t belong to the same species. 5. tortoises and snails have analogous organs, and they aren’t evolutionarily related.

According to the passage weisers mother could be blamed for